publication . Other literature type . Article . 1964 . Embargo end date: 01 Feb 1964

New Liquid Phases for the Gas Chromatographic Separation of Strong Bases on Capillary Columns

K. Grob;
  • Published: 01 Feb 1964
  • Publisher: Preston Publications
  • Country: Switzerland
Abstract
The current practice of pretreating the solid support with free alkali to increase separation efficiency for basic compounds proved to be unsuitable for capillary columns. Instead of this, homogenous organic materials of high base strength are required. We found polyethylene imine (PEI) and polypropylene imine (PPI) to be very efficient as liquid phases of capillary columns for the separation of bases. The preparation of polymers is mentioned. Silanization or acetylation of the free hydroxyl groups of carbowax-type substrate makes them more suitable for use as liquid phases in capillary columns
Subjects
free text keywords: 142-005, Analytical Chemistry, General Medicine, Chromatography, Capillary electrochromatography, Chromatographic separation, Chemistry, Capillary action
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publication . Other literature type . Article . 1964 . Embargo end date: 01 Feb 1964

New Liquid Phases for the Gas Chromatographic Separation of Strong Bases on Capillary Columns

K. Grob;